//
//  YXUtility.h
//  PurchasingMeeting
//
//  Created by zhuang yihang on 7/20/13.
//  Copyright (c) 2013 YX. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface YXUtility : NSObject

+ (YXUtility *)getInstance;


- (NSString *)getRandomString:(int)length;

@end
